diff options
Diffstat (limited to 'drivers/video/dnfb.c')
| -rw-r--r-- | drivers/video/dnfb.c | 394 |
1 files changed, 286 insertions, 108 deletions
diff --git a/drivers/video/dnfb.c b/drivers/video/dnfb.c index 3730695dd..30860ae2b 100644 --- a/drivers/video/dnfb.c +++ b/drivers/video/dnfb.c @@ -10,14 +10,15 @@ #include <asm/segment.h> #include <asm/system.h> #include <asm/irq.h> +#include <asm/amigahw.h> +#include <asm/amigaints.h> #include <asm/apollohw.h> #include <linux/fb.h> #include <linux/module.h> - +#include "dn_accel.h" #include <video/fbcon.h> #include <video/fbcon-mfb.h> - /* apollo video HW definitions */ /* @@ -30,16 +31,16 @@ * deals with control 1 and 3b deals with Color LUT reg. */ -#define AP_IOBASE 0x5d80 /* Base address of 1 plane board. */ -#define AP_STATUS 0x5d80 /* Status register. Read */ -#define AP_WRITE_ENABLE 0x5d80 /* Write Enable Register Write */ -#define AP_DEVICE_ID 0x5d81 /* Device ID Register. Read */ -#define AP_ROP_1 0x5d82 /* Raster Operation reg. Write Word */ -#define AP_DIAG_MEM_REQ 0x5d84 /* Diagnostic Memory Request. Write Word */ -#define AP_CONTROL_0 0x5d88 /* Control Register 0. Read/Write */ -#define AP_CONTROL_1 0x5d8a /* Control Register 1. Read/Write */ -#define AP_CONTROL_3A 0x5d8e /* Control Register 3a. Read/Write */ -#define AP_CONTROL_2 0x5d8c /* Control Register 2. Read/Write */ +#define AP_IOBASE 0x3b0 /* Base address of 1 plane board. */ +#define AP_STATUS isaIO2mem(AP_IOBASE+0) /* Status register. Read */ +#define AP_WRITE_ENABLE isaIO2mem(AP_IOBASE+0) /* Write Enable Register Write */ +#define AP_DEVICE_ID isaIO2mem(AP_IOBASE+1) /* Device ID Register. Read */ +#define AP_ROP_1 isaIO2mem(AP_IOBASE+2) /* Raster Operation reg. Write Word */ +#define AP_DIAG_MEM_REQ isaIO2mem(AP_IOBASE+4) /* Diagnostic Memory Request. Write Word */ +#define AP_CONTROL_0 isaIO2mem(AP_IOBASE+8) /* Control Register 0. Read/Write */ +#define AP_CONTROL_1 isaIO2mem(AP_IOBASE+0xa) /* Control Register 1. Read/Write */ +#define AP_CONTROL_3A isaIO2mem(AP_IOBASE+0xe) /* Control Register 3a. Read/Write */ +#define AP_CONTROL_2 isaIO2mem(AP_IOBASE+0xc) /* Control Register 2. Read/Write */ #define FRAME_BUFFER_START 0x0FA0000 @@ -112,44 +113,57 @@ #endif +void dn_video_setup(char *options, int *ints); + /* frame buffer operations */ -static int dnfb_open(struct fb_info *info, int user); -static int dnfb_release(struct fb_info *info, int user); -static int dnfb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info); -static int dnfb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int dnfb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int dnfb_get_cmap(struct fb_cmap *cmap,int kspc,int con, +static int dn_fb_open(struct fb_info *info,int user); +static int dn_fb_release(struct fb_info *info,int user); +static int dn_fb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info); -static int dnfb_set_cmap(struct fb_cmap *cmap,int kspc,int con, +static int dn_fb_get_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); -static int dnfb_pan_display(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int dnfb_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg, int con, - struct fb_info *info); +static int dn_fb_set_var(struct fb_var_screeninfo *var, int isactive, + struct fb_info *info); +static int dn_fb_get_cmap(struct fb_cmap *cmap,int kspc,int con, + struct fb_info *info); +static int dn_fb_set_cmap(struct fb_cmap *cmap,int kspc,int con, + struct fb_info *info); +static int dn_fb_pan_display(struct fb_var_screeninfo *var, int con, + struct fb_info *info); +static int dn_fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, + unsigned long arg, int con, struct fb_info *info); -static int dnfbcon_switch(int con, struct fb_info *info); -static int dnfbcon_updatevar(int con, struct fb_info *info); -static void dnfbcon_blank(int blank, struct fb_info *info); +static int dnfbcon_switch(int con,struct fb_info *info); +static int dnfbcon_updatevar(int con,struct fb_info *info); +static void dnfbcon_blank(int blank,struct fb_info *info); -static void dnfb_set_disp(int con, struct fb_info *info); +static void dn_fb_set_disp(int con,struct fb_info *info); static struct display disp[MAX_NR_CONSOLES]; static struct fb_info fb_info; -static struct fb_ops dnfb_ops = { - dnfb_open,dnfb_release, dnfb_get_fix, dnfb_get_var, dnfb_set_var, - dnfb_get_cmap, dnfb_set_cmap, dnfb_pan_display, dnfb_ioctl +static struct fb_ops dn_fb_ops = { + dn_fb_open,dn_fb_release, dn_fb_get_fix, dn_fb_get_var, dn_fb_set_var, + dn_fb_get_cmap, dn_fb_set_cmap, dn_fb_pan_display, dn_fb_ioctl }; static int currcon=0; -static char dnfb_name[]="Apollo"; +#define NUM_TOTAL_MODES 1 +struct fb_var_screeninfo dn_fb_predefined[] = { + + { 0, }, + +}; + +static char dn_fb_name[]="Apollo "; + +/* accel stuff */ +#define USE_DN_ACCEL -static int dnfb_open(struct fb_info *info, int user) +static struct display_switch dispsw_apollofb; + +static int dn_fb_open(struct fb_info *info,int user) { /* * Nothing, only a usage count for the moment @@ -159,18 +173,17 @@ static int dnfb_open(struct fb_info *info, int user) return(0); } -static int dnfb_release(struct fb_info *info, int user) +static int dn_fb_release(struct fb_info *info,int user) { MOD_DEC_USE_COUNT; return(0); } -static int dnfb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info) -{ - memset(fix, 0, sizeof(struct fb_fix_screeninfo)); +static int dn_fb_get_fix(struct fb_fix_screeninfo *fix, int con, + struct fb_info *info) { + strcpy(fix->id,"Apollo Mono"); - fix->smem_start=FRAME_BUFFER_START+IO_BASE; + fix->smem_start=(FRAME_BUFFER_START+IO_BASE); fix->smem_len=FRAME_BUFFER_LEN; fix->type=FB_TYPE_PACKED_PIXELS; fix->type_aux=0; @@ -184,10 +197,9 @@ static int dnfb_get_fix(struct fb_fix_screeninfo *fix, int con, } -static int dnfb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - memset(var, 0, sizeof(struct fb_var_screeninfo)); +static int dn_fb_get_var(struct fb_var_screeninfo *var, int con, + struct fb_info *info) { + var->xres=1280; var->yres=1024; var->xres_virtual=2048; @@ -212,9 +224,10 @@ static int dnfb_get_var(struct fb_var_screeninfo *var, int con, } -static int dnfb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ +static int dn_fb_set_var(struct fb_var_screeninfo *var, int con, + struct fb_info *info) { + + printk("fb_set_var\n"); if(var->xres!=1280) return -EINVAL; if(var->yres!=1024) @@ -254,119 +267,284 @@ static int dnfb_set_var(struct fb_var_screeninfo *var, int con, } -static int dnfb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ +static int dn_fb_get_cmap(struct fb_cmap *cmap,int kspc,int con, + struct fb_info *info) { + printk("get cmap not supported\n"); return -EINVAL; } -static int dnfb_set_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ +static int dn_fb_set_cmap(struct fb_cmap *cmap,int kspc,int con, + struct fb_info *info) { + printk("set cmap not supported\n"); return -EINVAL; } -static int dnfb_pan_display(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ +static int dn_fb_pan_display(struct fb_var_screeninfo *var, int con, + struct fb_info *info) { + printk("panning not supported\n"); return -EINVAL; } -static int dnfb_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg, int con, - struct fb_info *info) -{ +static int dn_fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd, + unsigned long arg, int con, struct fb_info *info) { + + printk("no IOCTLs as of yet.\n"); + return -EINVAL; + } -static void dnfb_set_disp(int con, struct fb_info *info) -{ +static void dn_fb_set_disp(int con, struct fb_info *info) { + struct fb_fix_screeninfo fix; + struct display *display; + + dn_fb_get_fix(&fix,con, info); + + if (con>=0) + display=&fb_display[con]; + else + display=&disp[0]; - dnfb_get_fix(&fix, con, info); if(con==-1) con=0; - disp[con].screen_base = fix.smem_start; - disp[con].visual = fix.visual; - disp[con].type = fix.type; - disp[con].type_aux = fix.type_aux; - disp[con].ypanstep = fix.ypanstep; - disp[con].ywrapstep = fix.ywrapstep; - disp[con].can_soft_blank = 1; - disp[con].inverse = 0; - disp[con].line_length = fix.line_length; + display->screen_base = (u_char *)fix.smem_start; + display->visual = fix.visual; + display->type = fix.type; + display->type_aux = fix.type_aux; + display->ypanstep = fix.ypanstep; + display->ywrapstep = fix.ywrapstep; + display->can_soft_blank = 1; + display->inverse = 0; + display->line_length = fix.line_length; #ifdef FBCON_HAS_MFB - disp[con].dispsw = &fbcon_mfb; + display->dispsw = &fbcon_mfb; #else - disp[con].dispsw = &fbcon_dummy; + display->dispsw=&fbcon_dummy; #endif + } -int dnfb_init(void) -{ +unsigned long dnfb_init(unsigned long mem_start) { + + int err; + + fb_info.changevar=NULL; - strcpy(&fb_info.modename[0],dnfb_name); + strcpy(&fb_info.modename[0],dn_fb_name); fb_info.fontname[0]=0; fb_info.disp=disp; fb_info.switch_con=&dnfbcon_switch; fb_info.updatevar=&dnfbcon_updatevar; fb_info.blank=&dnfbcon_blank; fb_info.node = -1; - fb_info.fbops = &dnfb_ops; - fb_info.flags = FBINFO_FLAG_DEFAULT; + fb_info.fbops = &dn_fb_ops; - outb(RESET_CREG, AP_CONTROL_3A); - outw(0x0, AP_WRITE_ENABLE); - outb(NORMAL_MODE,AP_CONTROL_0); - outb((AD_BLT | DST_EQ_SRC | NORM_CREG1), AP_CONTROL_1); - outb(S_DATA_PLN, AP_CONTROL_2); - outw(SWAP(0x3),AP_ROP_1); - - dnfb_get_var(&disp[0].var, 0, &fb_info); - dnfb_set_disp(-1, &fb_info); - - if (register_framebuffer(&fb_info) < 0) { - printk(KERN_ERR "unable to register apollo frame buffer\n"); - return -EINVAL; + dn_fb_get_var(&disp[0].var,0, &fb_info); + + dn_fb_set_disp(-1, &fb_info); + + err=register_framebuffer(&fb_info); + if(err < 0) { + panic("unable to register apollo frame buffer\n"); } - printk("fb%d: apollo frame buffer alive and kicking !\n", - GET_FB_IDX(fb_info.node)); - return 0; + /* now we have registered we can safely setup the hardware */ + + outb(RESET_CREG, AP_CONTROL_3A); + outw(0x0, AP_WRITE_ENABLE); + outb(NORMAL_MODE, AP_CONTROL_0); + outb((AD_BLT | DST_EQ_SRC | NORM_CREG1), AP_CONTROL_1); + outb(S_DATA_PLN, AP_CONTROL_2); + outw(SWAP(0x3), AP_ROP_1); + + printk("apollo frame buffer alive and kicking !\n"); + + + return mem_start; + } -static int dnfbcon_switch(int con, struct fb_info *info) -{ +static int dnfbcon_switch(int con, struct fb_info *info) { + currcon=con; return 0; } -static int dnfbcon_updatevar(int con, struct fb_info *info) -{ +static int dnfbcon_updatevar(int con, struct fb_info *info) { + return 0; + } -static void dnfbcon_blank(int blank, struct fb_info *info) -{ +static void dnfbcon_blank(int blank, struct fb_info *info) { + if(blank) { - outb(0, AP_CONTROL_3A); - outb((AD_BLT | DST_EQ_SRC | NORM_CREG1) & ~ENAB_DISP, - AP_CONTROL_1); + outb(0x0, AP_CONTROL_3A); + } + else { + outb(0x1, AP_CONTROL_3A); + } + + return ; + +} + +void dn_video_setup(char *options, int *ints) { + + return; + +} + +void dn_bitblt(struct display *p,int x_src,int y_src, int x_dest, int y_dest, + int x_count, int y_count) { + + int incr,y_delta,pre_read=0,x_end,x_word_count; + ushort *src,dummy; + uint start_mask,end_mask,dest; + short i,j; + + incr=(y_dest<=y_src) ? 1 : -1 ; + + src=(ushort *)(p->screen_base+ y_src*p->next_line+(x_src >> 4)); + dest=y_dest*(p->next_line >> 1)+(x_dest >> 4); + + if(incr>0) { + y_delta=(p->next_line*8)-x_src-x_count; + x_end=x_dest+x_count-1; + x_word_count=(x_end>>4) - (x_dest >> 4) + 1; + start_mask=0xffff0000 >> (x_dest & 0xf); + end_mask=0x7ffff >> (x_end & 0xf); + outb((((x_dest & 0xf) - (x_src &0xf)) % 16)|(0x4 << 5),AP_CONTROL_0); + if((x_dest & 0xf) < (x_src & 0xf)) + pre_read=1; } else { - outb(1, AP_CONTROL_3A); - outb((AD_BLT | DST_EQ_SRC | NORM_CREG1), AP_CONTROL_1); + y_delta=-((p->next_line*8)-x_src-x_count); + x_end=x_dest-x_count+1; + x_word_count=(x_dest>>4) - (x_end >> 4) + 1; + start_mask=0x7ffff >> (x_dest & 0xf); + end_mask=0xffff0000 >> (x_end & 0xf); + outb(((-((x_src & 0xf) - (x_dest &0xf))) % 16)|(0x4 << 5),AP_CONTROL_0); + if((x_dest & 0xf) > (x_src & 0xf)) + pre_read=1; + } + + for(i=0;i<y_count;i++) { + + outb(0xc | (dest >> 16), AP_CONTROL_3A); + + if(pre_read) { + dummy=*src; + src+=incr; + } + + if(x_word_count) { + outb(start_mask,AP_WRITE_ENABLE); + *src=dest; + src+=incr; + dest+=incr; + outb(0,AP_WRITE_ENABLE); + + for(j=1;j<(x_word_count-1);j++) { + *src=dest; + src+=incr; + dest+=incr; + } + + outb(start_mask,AP_WRITE_ENABLE); + *src=dest; + dest+=incr; + src+=incr; + } + else { + outb(start_mask | end_mask, AP_WRITE_ENABLE); + *src=dest; + dest+=incr; + src+=incr; + } + src+=(y_delta/16); + dest+=(y_delta/16); + } + outb(NORMAL_MODE,AP_CONTROL_0); +} + +static void bmove_apollofb(struct display *p, int sy, int sx, int dy, int dx, + int height, int width) +{ + + int fontheight,fontwidth; + + fontheight=fontheight(p); + fontwidth=fontwidth(p); + +#ifdef USE_DN_ACCEL + dn_bitblt(p,sx,sy*fontheight,dx,dy*fontheight,width*fontwidth, + height*fontheight); +#else + u_char *src, *dest; + u_int rows; + + if (sx == 0 && dx == 0 && width == p->next_line) { + src = p->screen_base+sy*fontheight*width; + dest = p->screen_base+dy*fontheight*width; + mymemmove(dest, src, height*fontheight*width); + } else if (dy <= sy) { + src = p->screen_base+sy*fontheight*next_line+sx; + dest = p->screen_base+dy*fontheight*next_line+dx; + for (rows = height*fontheight; rows--;) { + mymemmove(dest, src, width); + src += p->next_line; + dest += p->next_line; } + } else { + src = p->screen_base+((sy+height)*fontheight-1)*p->next_line+sx; + dest = p->screen_base+((dy+height)*fontheight-1)*p->next_line+dx; + for (rows = height*fontheight; rows--;) { + mymemmove(dest, src, width); + src -= p->next_line; + dest -= p->next_line; + } + } +#endif +} + +static void clear_apollofb(struct vc_data *conp, struct display *p, int sy, int sx, + int height, int width) +{ + fbcon_mfb_clear(conp,p,sy,sx,height,width); } + +static void putc_apollofb(struct vc_data *conp, struct display *p, int c, int yy, + int xx) +{ + fbcon_mfb_putc(conp,p,c,yy,xx); +} + +static void putcs_apollofb(struct vc_data *conp, struct display *p, const char *s, + int count, int yy, int xx) +{ + fbcon_mfb_putcs(conp,p,s,count,yy,xx); +} + +static void rev_char_apollofb(struct display *p, int xx, int yy) +{ + fbcon_mfb_revc(p,xx,yy); +} + +static struct display_switch dispsw_apollofb = { + fbcon_mfb_setup, bmove_apollofb, clear_apollofb, + putc_apollofb, putcs_apollofb, rev_char_apollofb +}; |